Headsets - Poly (Plantronics) - Bluetooth - Binaural (for both ears) - Headband - USB-A - Directional microphone (Noise Canceling) - Omnidirectional microphone (OMNI directional) - Rotatable in the range of 270° - Long - Optimalised for Microsoft Teams - 50 - 50 - 50 - 20 - 200